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    Question

    A and B entered into a business investing Rs. (x + 60)

    and Rs. (x – 55) respectively. After one year they invested Rs. 120 more and Rs. 150 more respectively. After 2 years, ratio of the profit shares of A to B is 9:7. Find the value of x.
    A 320 Correct Answer Incorrect Answer
    B 310 Correct Answer Incorrect Answer
    C 370 Correct Answer Incorrect Answer
    D 330 Correct Answer Incorrect Answer

    Solution

    Ratio of profit share of A to B = [x + 60 + x + 60 + 120]:[x – 55 + x – 55 + 150] = [2x + 240]:[2x + 40] According to question; (2x + 240)/(2x + 40) = 9/7 => 14x + 1680 = 18x + 360 => 4x = 1320 => x = 330

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